Dones, L. (2001). Sto. Tomas is labor secretary. Philippine Star.
Cita Chicago (17th ed.)Dones, Liberty. "Sto. Tomas Is Labor Secretary." Philippine Star 2001.
Cita MLA (9th ed.)Dones, Liberty. "Sto. Tomas Is Labor Secretary." Philippine Star, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.